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Senior Full-Stack Mobile Developer (AI & NLP Focus)

  • Full Time
  • Anywhere

Remote Office

This is a remote position.

Job Title: Senior Full-Stack Mobile Developer (AI & NLP Focus)

URGENT HIRING

Work Roster:10:00 AM – 6:00 PM (Melbourne Time)

Weekends:Saturday & Sunday

Employment Type: Full-Time | Long-Term

Experience Required: 5+ years in Full-Stack Development

Role Overview

We are seeking a Senior Full-Stack Mobile Developer with Technical Leadership capabilities for our client in Australia to take ownership of system architecture, development, and long-term maintenance across multiple products. This role is ideal for someone who enjoys building scalable systems from the ground up in a fast-moving startup studio environment.

Key Responsibilities

Architecture & Development

  • Lead end-to-end development using a shared, modular technology stack
  • Design and implement scalable solutions using React Native and Node.js
  • Ensure clean, maintainable, and reusable code across multiple applications
  • Frame internal dashboards, monitoring, and tooling as part of designing scalable systems and shared platforms.
AI Development

  • Building an AI-driven mobile application focused on NLP-based journaling, sentiment analysis, and pattern detection, correlating user inputs with pain/stress signals and delivering empathetic, logic-driven responses.
  • Implement and optimise LLM and Vision APIs, specifically GPT-4o
  • Develop high-accuracy image recognition and structured text generation pipelines
  • Design AI-chaining logic to support multi-step intelligent workflows
  • AI audit logs, prompt troubleshooting, and observability as part of building reliable and debuggable AI pipelines.
Cross-Application Scalability

  • Build a reusable Master Engine for Authentication, Payments and AI orchestration
  • Ensure consistency and scalability across the entire SaaS portfolio
  • Ensure user management, subscriptions, and payments as reusable platform components that support multiple products.
Admin & Internal Systems

  • Develop a centralised Admin Command Center for internal operations
  • Enable system monitoring, user management, and AI troubleshooting.
System Quality & Reliability

  • Managing real-time alerts for API failures alongside database performance and bottleneck tracking.

Technical Requirements

  • Frontend: Strong expertise in React.js
  • Mobile: Proven experience with React Native
  • Backend: Node.js with RESTful API design
  • Hands-on experience with OpenAI APIs
  • Prompt engineering and Vision models
  • Hands-on experience with Python
  • Experienced in NLP, computer vision, LLMs, and Python-based data workflows.
  • PostgreSQL (Supabase preferred) with real-time data synchronization
  • Stripe integration experience
What Makes This Role Exciting

  • Architectural Ownership: You design and drive the technical vision
  • Startup Studio Model: Work across 4+ AI products instead of a single long-term project
  • Creative Freedom: Flexibility to choose the best tools and solutions
  • Career Growth: Opportunity to lead technical expansion as the product portfolio scales

Originally posted on Himalayas

To apply for this job please visit himalayas.app.

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The United States of America (USA), also known as the United States (U.S.) or America, is a country primarily located in North America. It is a federal republic consisting of 50 states and a federal capital district, Washington, D.C. The 48 contiguous states border Canada to the north and Mexico to the south, with the semi-exclave of Alaska in the northwest and the archipelago of Hawaii in the Pacific Ocean. The United States also asserts sovereignty over five major island territories and various uninhabited islands in Oceania and the Caribbean. It is a megadiverse country, with the world's th

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